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標題: Minimal size nitro engine helicopter, any idea? [打印本頁]

作者: TheWolf    時間: 2011-9-10 15:12
標題: Minimal size nitro engine helicopter, any idea?
Interested to know how small a nitro powered helicopter could be in the market?  Say, .9 engine?  Any idea?
作者: tiger1    時間: 2011-9-10 19:59
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